匍匐翦股穎矮生品系耐陰性評價

食品科學(xué)論文編號:SP027 論文字?jǐn)?shù):13264,頁數(shù):24

 
目        錄
1前言 1
2材料與方法 2
2.1材料來源 2
2.2材料培養(yǎng) 2
2.3試驗處理 3
2.4指標(biāo)測定 3
3結(jié)果與分析 4
3.1不同光照培養(yǎng)對匍匐翦股穎矮生品系株高的影響 4
3.2不同光照培養(yǎng)對匍匐翦股穎矮生品系植株根長的影響 5
3.3不同光照培養(yǎng)對匍匐翦股穎矮生品系植株葉片長的影響 5
3.4不同光照培養(yǎng)對匍匐翦股穎矮生品系植株分蘗數(shù)的影響 6
3.5不同光照培養(yǎng)對匍匐翦股穎矮生品系植株生物量的影響 7
3.6不同光照培養(yǎng)對匍匐翦股穎矮生品系植株葉片存活天數(shù)、葉片枯黃率、葉片老化
    指數(shù)的影響 8
3.7匍匐翦股穎矮生品系草毯室內(nèi)應(yīng)用株高變化 10
3.8匍匐翦股穎矮生品系草坪質(zhì)量指標(biāo)評價 11
3.9匍匐翦股穎矮生品系草毯質(zhì)量評價與草種篩選 13
3.10匍匐翦股穎矮生品系草種評分與各指標(biāo)的相關(guān)性分析 15
4結(jié)論與討論 15
參考文獻(xiàn) 17
英文摘要 18
致謝  19
畢業(yè)論文成績評定表 20

摘        要
 通過室內(nèi)窗邊培養(yǎng)和黑暗培養(yǎng)粵選1號匍匐翦股穎及矮生品系1613-01、1613-02、1613-4、1613-5、1613-6、1614-3、3603、3605-2，測定株高、根長、葉片長、分蘗數(shù)、生物量、葉片存活天數(shù)、葉片枯黃率、葉片老化指數(shù)等指標(biāo)，以自然光照培養(yǎng)材料為對照，并進(jìn)行草坪質(zhì)量、草毯室內(nèi)應(yīng)用及草毯草種評分。結(jié)果說明，室內(nèi)窗邊培養(yǎng)和黑暗培養(yǎng)，匍匐翦股穎表現(xiàn)出徒長趨勢，葉片增長、根短、分蘗少；葉色淺、枯黃，老化；生物量減少等。窗邊培養(yǎng)的矮生品系1613-02、1613-4、1613-5、3603與粵選1號匍匐翦股穎相比，其株高、根長、生物量、葉片枯黃率、葉片老化指數(shù)變化值較小；黑暗培養(yǎng)的矮生品系1613-02、1613-4、1613-5、3603與粵選1號匍匐翦股穎相比，其株高、生物量、葉片老化指數(shù)變化值較小；匍匐翦股穎矮生品系1613-02在室內(nèi)生長速度慢，植株存活能力強、并且具備較高的草坪和草毯質(zhì)量，表現(xiàn)出最好的室內(nèi)草毯應(yīng)用潛力。
關(guān)鍵詞：匍匐翦股穎  矮生品系  草毯  耐陰性
  eva luation of Shade-tolerance to Agrostis stolonifera Dwarf Strains

Abstract：The plant height, the length of roots and leaf, the number of tiller, biomass, survival time of leaf, rate of yellow leaf, leaf senescence index of Yuexuan No. 1 and new Agrostis stolonifera dwarf stain 1613-01、1613-02、1613-4、1613-5、1613-6、1614-3、3603、3605-2 were determined by cultivated beside windows indoor and in dark indoor. The results indicated that when cultivated beside windows indoor and in dark indoor, Agrostis stolonifera appeared a trend of excessive growth, and the length of leaf increased, the length of roots shortened, the number of tiller reduced, the color of leaf became light and yellow, the leaf became senescence, and the biomass was reduced, etc. Compared with Yuexuan No.1, the change of plant height, the length of roots, biomass, rate of yellow leaf, leaf senescence index of Agrostis stolonifera dwarf strain 1613-02、1613-4、1613-5、3603 cultivated beside windows indoor were less. By cultivated in dark indoor, compared with Yue xuan No. 1, the change of plant height, biomass, rate of yellow leaf, leaf senescence index of Agrostis stolonifera dwarf strain 1613-4、1613-5、3603、3605-2 were less too. When Agrostis stolonifera dwarf strain 1613-02 was cultivated indoor, the growing speed was slow, and the survivability was strong. It was also became an excellent quality grass blanket, and expressed a best potential of grass blanket indoor application. 
 Key words：Agrostis stolonifera; dwarf strain; grass blanket; shade-tolerance